/* ==========================================
   PANTALLAS DE ACCESO (login, registro, recuperar, verificar, nueva contraseña)
   ========================================== */

body:has(.auth-page) {
    background:
        radial-gradient(900px 500px at 50% -10%, rgba(var(--primary-rgb), 0.16), transparent 65%),
        var(--bg);
}

.auth-page {
    min-height: 100dvh;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: calc(80px + env(safe-area-inset-top)) var(--space-4) calc(var(--space-7) + env(safe-area-inset-bottom));
}

.auth-topbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: calc(var(--space-4) + env(safe-area-inset-top)) var(--space-4) var(--space-4);
}

.auth-container { width: 100%; max-width: 400px; display: flex; flex-direction: column; align-items: center; }

/* --- Marca --- */
.auth-brand { display: flex; align-items: center; justify-content: center; gap: var(--space-4); margin-bottom: var(--space-3); }
.auth-brand .logo {
    width: 76px; height: 76px; border-radius: var(--radius-lg);
    box-shadow: var(--neu); display: grid; place-items: center; overflow: hidden;
}
.auth-brand .logo img { width: 62px; height: 62px; border-radius: var(--radius); }
.auth-brand h1 { font-size: 1.8rem; margin: 0; }
.auth-container > .eq { margin-bottom: var(--space-6); }

/* --- Formularios deslizables --- */
/* El padding deja espacio a las sombras; el formulario visible define la altura */
.forms-wrapper { position: relative; width: calc(100% + 2 * var(--space-4)); padding: var(--space-4); overflow: hidden; }
.forms-wrapper > form {
    width: 100%;
    transition: transform 400ms var(--ease), opacity 300ms var(--ease), visibility 400ms;
}
.form-visible { transform: none; opacity: 1; visibility: visible; }
.form-hidden-right, .form-hidden-left {
    position: absolute; top: var(--space-4); left: var(--space-4); width: calc(100% - 2 * var(--space-4)) !important;
    opacity: 0; visibility: hidden; pointer-events: none;
}
.form-hidden-right { transform: translateX(110%); }
.form-hidden-left { transform: translateX(-110%); }

.form-title { font-size: 1.35rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: var(--space-5); text-align: center; }
.form-intro { font-size: 0.9rem; color: var(--text-dim); margin-bottom: var(--space-5); text-align: center; }

/* --- Recordar correo / contraseña --- */
.recordar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0 var(--space-3); margin: calc(-1 * var(--space-1)) 0 var(--space-3); }
.check {
    position: relative; display: inline-flex; align-items: center; gap: var(--space-2);
    min-height: 40px; cursor: pointer; font-size: 0.85rem; color: var(--text-dim);
}
.check input { position: absolute; opacity: 0; pointer-events: none; }
.check-box {
    width: 22px; height: 22px; flex-shrink: 0; border-radius: 7px;
    display: grid; place-items: center; font-size: 0.7rem; color: transparent;
    background: var(--bg-deep); box-shadow: var(--neu-inset-sm);
    transition: background var(--t-fast), color var(--t-fast), box-shadow var(--t-fast);
}
.check input:checked + .check-box {
    background: linear-gradient(145deg, var(--primary-light), var(--primary-strong));
    color: var(--on-primary); box-shadow: var(--neu-sm), 0 0 10px var(--primary-glow);
}
.check:has(input:checked) { color: var(--text); }
.check input:focus-visible + .check-box { outline: 2px solid var(--primary-soft); outline-offset: 2px; }

.auth-links { display: flex; flex-direction: column; align-items: center; gap: var(--space-1); margin-top: var(--space-4); }
.link-btn {
    background: none; border: none; cursor: pointer;
    min-height: 44px; padding: 0 var(--space-3);
    font: 600 0.9rem var(--font-main); color: var(--primary-soft);
}
.link-btn.dim { font-weight: 400; font-size: 0.85rem; color: var(--text-dim); text-decoration: underline; }
.link-btn:hover { color: var(--text); }

.auth-footer {
    margin-top: var(--space-7);
    font-size: 0.75rem; letter-spacing: 2px; text-transform: uppercase; color: var(--text-dim); text-align: center;
}

/* --- Sin scroll: el contenido se compacta según el alto de la pantalla (como una app) --- */
@media (max-height: 880px) {
    .auth-page { padding-top: calc(68px + env(safe-area-inset-top)); padding-bottom: calc(var(--space-4) + env(safe-area-inset-bottom)); }
    .auth-brand .logo { width: 60px; height: 60px; }
    .auth-brand .logo img { width: 48px; height: 48px; }
    .auth-brand h1 { font-size: 1.55rem; }
    .auth-container > .eq { margin-bottom: var(--space-3); }
    .forms-wrapper > .neu-card { padding: var(--space-5) var(--space-5) var(--space-4); }
    .form-title { font-size: 1.25rem; margin-bottom: var(--space-4); }
    .form-intro { margin-bottom: var(--space-4); }
    .forms-wrapper .field { margin-bottom: var(--space-3); gap: 6px; }
    .forms-wrapper .input { min-height: 46px; }
    .auth-links { margin-top: var(--space-2); gap: 0; }
    .auth-footer { margin-top: var(--space-3); }
    .auth-message { margin-bottom: var(--space-3); }
}
/* Pantallas bajas: la marca sube a la altura del botón de menú; sin ecualizador ni lema */
@media (max-height: 760px) {
    .auth-page { justify-content: flex-start; padding-top: calc(var(--space-4) + env(safe-area-inset-top)); }
    .auth-brand { gap: var(--space-3); margin-bottom: var(--space-2); min-height: 48px; }
    .auth-brand .logo { width: 44px; height: 44px; border-radius: var(--radius); box-shadow: var(--neu-sm); }
    .auth-brand .logo img { width: 36px; height: 36px; border-radius: var(--radius-sm); }
    .auth-brand h1 { font-size: 1.3rem; }
    .auth-container > .eq, .auth-footer { display: none; }
    .auth-container { flex: 1; }
    .forms-wrapper { margin-top: auto; margin-bottom: auto; }
    .forms-wrapper .field .hint { display: none; }
}
@media (max-height: 660px) {
    .form-title { font-size: 1.15rem; margin-bottom: var(--space-3); }
    .forms-wrapper .field label { font-size: 0.8rem; }
    .forms-wrapper .input { min-height: 44px; padding-top: var(--space-2); padding-bottom: var(--space-2); }
    .forms-wrapper .btn { min-height: 46px; }
    .link-btn { min-height: 40px; }
}
@media (max-height: 600px) {
    .forms-wrapper > .neu-card { padding: var(--space-4); }
    .forms-wrapper .field { margin-bottom: var(--space-2); gap: 4px; }
    .forms-wrapper .input { min-height: 42px; }
    .auth-brand { margin-bottom: 0; }
}
/* Teléfono acostado o pantallas muy pequeñas: si no cabe, solo se desplaza el contenido */
.auth-page { overflow-x: hidden; }

/* --- Mensaje del servidor --- */
.auth-message { width: 100%; margin-bottom: var(--space-5); }

/* --- Tarjeta de estado (verificar) --- */
.status-card { text-align: center; }
.status-icon {
    width: 96px; height: 96px; margin: var(--space-5) auto;
    border-radius: 50%; display: grid; place-items: center;
    box-shadow: var(--neu-inset); font-size: 2.6rem;
}
.status-card.success .status-icon { color: var(--success); }
.status-card.warning .status-icon { color: var(--amber); }
.status-card.error .status-icon { color: var(--danger); }
.status-card h2 { font-size: 1.3rem; }
.status-card p { color: var(--text-dim); margin-bottom: var(--space-5); }